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Search Results for the EPA National Library Catalog
Items Found: 496
Showing: Items 451 - 496
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Year Published
451
Total Maximum Daily Loads of Nitrogen and Phosphorus for the Northeast River in Cecil County, Maryland.
2004
452
Total Maximum Daily Loads of Nitrogen and Phosphorus for the Still Pond Creek, Kent County, Maryland.
2002
453
Total Maximum Daily Loads of Nitrogen and Phosphorus for the Worton Creek, Kent County, Maryland.
2002
454
Total Maximum Daily Loads of Phosphorus for the Sassafras River, Cecil and Kent Counties, Maryland.
2002
455
Total Volatile Organic Concentrations in 2700 Personal, Indoor, and Outdoor Air Samples Collected in the US EPA TEAM Studies.
1990
456
Total Volatile Organic Concentrations in 2700 Personal, Indoor, and Outdoor Air Samples Collected in the US EPA Team Studies.
1991
457
Toxicity Evaluation of a Complex Metal Mixture to the Softshell Clam 'Mya arenaria'.
1977
458
Transition Metals of Impounded Waters.
1972
459
Treasure Valley, Idaho Area, Air Pollutant Emission Inventory.
1970
460
Trends in Nitrogen in the Chesapeake Bay, 1984-1990.
1992
461
Trends in phosphorus, nitrogen, Secchi depth, and dissolved oxygen in Chesapeake Bay, 1984 to 1992.
1994
462
Trophic Structure, Reproductive Success, and Growth Rate of Fishes in a Natural and Modified Headwater Stream.
1982
463
Two Different Approaches for Control and Measurement of Plant Functions in Closed Environmental Chambers.
1991
464
U.S. Visibility Trends, 1960-1992.
1994
465
Unified Wet Deposition Data Summaries for North America: Data Summary Procedures and Results for 1980-1986.
1990
466
Use of climatic data in design of soils treatment systems /
1975
467
Use of climatic data in estimating storage days for soils treatment systems /
1976
468
Utilization Patterns of Intertidal Habitats by Birds in Yaquina Estuary, Oregon.
2011
469
Variability of household water lead levels in American cities [microfiche] /
1990
470
Variable Selectivity and the Role of Nutritional Quality in Food Selection by a Planktonic Rotifer.
1990
471
Verification and Transfer of Thermal Pollution Model. Volume I: Verification of Three-Dimensional Free-Surface Model.
1982
472
Volunteer Lake Monitoring Program, 1985. Volume 1. Statewide Summary Report.
1986
473
Volunteer Lake Monitoring Program, 1985. Volume 4. West-Central Illinois Region.
1986
474
Volunteer Lake Monitoring Program, 1985. Volume 6. Southwestern Illinois Region.
1986
475
Volunteer Lake Monitoring Program, 1986. Volume 6. Southwestern Illinois Region.
1987
476
Volunteer Lake Monitoring Program, 1988. Volume 4. West-Central Illinois Region.
1989
477
Volunteer Lake Monitoring Program, 1988. Volume 5: East-Central Illinois Region.
1989
478
Volunteer Lake Monitoring Program, 1991. Volume 6. Southwestern Illinois Region.
1992
479
Volunteer Lake Monitoring Program. Volume 1. Statewide Summary Report 1984.
1985
480
Waste Heat Utilization in Wastewater Treatment.
1973
481
Wastewater stabilization lagoon : intermittent sand filter systems /
1980
482
Wastewater Treatment and Receiving Water Body Interactions.
1988
483
Water and Recreation Study of the Blackfoot River System, Montana.
1969
484
Water quality : Western Fish Toxicology Station and western Oregon rivers /
1976
485
Water Quality as Related to Possible Heavy Metal Additions in Surface and Ground Water in the Springfield and Joplin Areas, Missouri.
1973
486
Water Quality Criteria to Protect the Fish Population Directly Below Sewage Outfalls.
1971
487
Water Quality in Agricultural Watersheds: Impact of Riparian Vegetation during Base Flow.
1981
488
Water Resources Data for New Hampshire and Vermont, Water Year 1980.
1981
489
Water temperature characteristics of lakes subjected to climate change /
1992
490
Whidbey Island intertidal and shallow subtidal benthos /
1980
491
Wildlife exposure factors handbook.
1993
492
Willamette Valley Metropolitan Area Air Pollutant Emission Inventory.
1970
493
Winter Temperature Requirements for Maturation and Spawning of Yellow Perch 'Perca flavescens' (Mitchill).
1977
494
Wintertime Measurements of Aerosol Acidity and Trace Elements in Wuhan, a City in Central China.
1991
495
Yolk Utilization in Summer Flounder ('Paralichthys dentatus') Embryos and Larvae Reared at Two Temperatures.
1980
496
Zooplankton Population Dynamics in Experimentally Toxified Pond Ecosystems.
1991
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